CN104724629A - Coke tank jacking and bottom valve overhauling method for carrier loader - Google Patents

Coke tank jacking and bottom valve overhauling method for carrier loader Download PDF

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Publication number
CN104724629A
CN104724629A CN201510128326.7A CN201510128326A CN104724629A CN 104724629 A CN104724629 A CN 104724629A CN 201510128326 A CN201510128326 A CN 201510128326A CN 104724629 A CN104724629 A CN 104724629A
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CN
China
Prior art keywords
jacking
burnt tank
carrier loader
coke tank
synchronization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510128326.7A
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Chinese (zh)
Inventor
向以川
罗玉坤
吴荣善
冯元中
胡彪
陈梦逢
潘子祥
刘臻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pangang Group Engineering Technology Co Ltd
Original Assignee
Pangang Group Engineering Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pangang Group Engineering Technology Co Ltd filed Critical Pangang Group Engineering Technology Co Ltd
Priority to CN201510128326.7A priority Critical patent/CN104724629A/en
Publication of CN104724629A publication Critical patent/CN104724629A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/46Combinations of several jacks with means for interrelating lifting or lowering movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25Constructional features
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25Constructional features
    • B66F3/42Constructional features with self-contained pumps, e.g. actuated by hand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/44Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B39/00Cooling or quenching coke
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B39/00Cooling or quenching coke
    • C10B39/14Cars

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention relates to the field of coke tank overhauling and provides a coke tank jacking and bottom valve overhauling method for a carrier loader. The method comprises the following steps that three or more synchronous jacking oil cylinders are placed between the carrier loader and a girder at the bottom of a coke tank; the synchronous jacking oil cylinders are evenly distributed on the periphery of a coke tank bottom valve; all the synchronous jacking oil cylinders are started simultaneously to jack the coke tank to a set height; an operator goes into the coke tank to conduct overhauling; after overhauling is completed, a hydraulic system is controlled to enable push rods of the jacking oil cylinders to descend, and the coke tank descends along with the push rods until two bottom valve doors of the coke tank are closed. The hydraulic system is utilized to jack up the coke tank to the specific height, cost is low, the automation degree is high, and the working efficiency is high. When the operator enters the coke tank to overhaul the bottom valve, even if an accident happens, for example the synchronous jacking oil cylinders lose efficacy or slip, and the coke tank inclines or falls back to the carrier loader, the operator will just be hurt without a life risk; compared with the method that the operator conducts overhauling below the coke tank, the safety risk is lowered.

Description

The burnt tank deck of carrier loader rises and end gate repair method
Technical field
The present invention relates to burnt tank maintenance field, the burnt tank deck of especially a kind of carrier loader rises and end gate repair method.
Background technology
The burnt tank of carrier loader is that a kind of being used for loads and transports red Jiao released from carbonization chamber, and coordinate with miscellaneous equipment, red Jiao is loaded the dry significant transportation instrument put out in stove, as shown in Figure 1, be made up of carrier loader 1, burnt tank 3, cross bar 11 and the end gate 4 etc. split, carrier loader 1 be provided with swivel mount, the end gate 4 of burnt tank 3 coordinates with swivel mount, drive end gate 4 and burnt tank 3 to rotate by swivel mount, burnt tank 3 rotates around line of centers connecing in burnt process, connects in burnt process and only has tank body and end gate 4 to be rotations.Cross bar 11 is arranged on the surrounding of burnt tank 3 and is connected with carrier loader 1, and keep the stable of burnt tank 3, the surrounding of end gate 4 is also provided with the crossbeam of level.
When the end gate 4 of each focusing tank 3 carries out replacing maintenance, must adopt 100t crane that burnt tank 3 is hung vehicle frame, and be sling overhead behind the position of 1 meter high, operating personnel enters and completes burnt tank bottom below burnt tank 3 and change upkeep operation.But be incorporated in operation below burnt tank 3 because above method needs crane to join, on the one hand, although fall arrest measure can be taked below burnt tank 3, still very big to the security risk of operating personnel; On the other hand, each maintenance all needs large-scale crane coordinating operation, and overhaul length consuming time, recondition expense is high.
Summary of the invention
Technical matters to be solved by this invention is to provide the burnt tank deck of a kind of safety, easily carrier loader and rises and end gate repair method.
The technical solution adopted for the present invention to solve the technical problems is: the burnt tank deck of carrier loader rises and end gate repair method, comprises the following steps:
A, to be communicated with hydraulic efficiency pressure system by multiple synchronization of jacking up oil cylinder, and to be placed between carrier loader and burnt pot bottom crossbeam, the quantity of described synchronization of jacking up oil cylinder is no less than three, and is evenly distributed on around gate at the bottom of burnt tank;
B, start all synchronization of jacking up oil cylinders simultaneously, burnt tank deck is risen to setting height and makes burnt tank rest on setting height;
It is inner that C, operating personnel enter burnt tank, carries out upkeep operation to end gate;
D, overhauled after, operating personnel withdraws out from burnt tank, hydraulic control system, and the push rod of jacking cylinder is declined, and burnt tank, along with decline, closes up until end gate fanned by burnt tank two, and guarantees burnt tank and carrier loader swivel mount accurate contraposition.
Further, after step B completes, between burnt tank and carrier loader, add the pillar stiffener being used for auxiliary fixed pedestal; In step D, first control jacking cylinder and to rise a segment distance, take off pillar stiffener, then the push rod controlling jacking cylinder declines.
Further, described pillar stiffener is the many steel pipes evenly arranged.
Further, in step B, at burnt tank by the process of jacking, measure the jacking amount of each synchronization of jacking up oil cylinder, guarantee that the top lifting height of synchronization of jacking up is consistent.
Further, synchronization of jacking up oil cylinder adopts the hydraulic ram carrying mechanical locking function.
Further, the push rod head of described synchronization of jacking up oil cylinder is hemisphere, and push rod is provided with spherical groove, described hemispheroidal sphere and push rod spherical groove bearing fit.
Further, described setting height is 500-700mm.
Further, before step B, check, confirm synchronization of jacking up oil cylinder and jacking oil pump, pipeline connect whether accurate, the rotating confirming oil pump, motor whether with set consistent.
Further, described synchronization of jacking up oil cylinder is 4.
The invention has the beneficial effects as follows: the piston utilizing hydraulic efficiency pressure system to promote multiple synchronization of jacking up oil cylinder moves simultaneously, burnt tank deck is risen to the certain height meeting space for maintenance demand, hydraulic efficiency pressure system is compared with large-scale crane, and cost is lower, degree of automation is higher, and work efficiency is higher.Synchronization of jacking up oil cylinder is evenly arranged, and guarantees the uniform force of each synchronization of jacking up oil cylinder, avoids certain synchronization of jacking up oil cylinder overload operation and fractures, and ensures safety.During maintenance, operating personnel enters burnt tank inside and overhauls end gate, even if occur unexpected, as synchronous jacking cylinder sudden failure or skidding, burnt tank tilts or falls after rise to carrier loader, and operating personnel only understands tumble injury, and does not have life danger, overhaul compared with below burnt tank, greatly reduce security risk.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the burnt tank of carrier loader of the present invention;
Fig. 2 is the jacking schematic diagram of the burnt tank of carrier loader of the present invention;
Fig. 3 is synchronization of jacking up oil cylinder schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 2, the burnt tank deck of carrier loader of the present invention rises and end gate repair method, comprises the following steps:
A, to be communicated with hydraulic efficiency pressure system by multiple synchronization of jacking up oil cylinder 2, and to be placed between carrier loader 1 and burnt tank 3 keel beam, the quantity of described synchronization of jacking up oil cylinder 2 is no less than three, and is evenly distributed on around burnt tank 3 end gate 4;
B, start all synchronization of jacking up oil cylinders 2 simultaneously, make burnt tank 3 rest on setting height to setting height the jacking of burnt tank 3;
It is inner that C, operating personnel enter burnt tank 3, carries out upkeep operation to end gate 4;
D, overhauled after, operating personnel withdraws out from burnt tank 3, hydraulic control system, and the push rod of jacking cylinder is declined, and burnt tank 3 is along with decline, until 3 liang, burnt tank fan end gate 4 closes up, and guarantees burnt tank 3 and carrier loader 1 swivel mount accurate contraposition.
Synchronization of jacking up oil cylinder 2 can adopt two-way cylinder, and by a Hydraulic Pump simultaneously to the jacking of multiple hydraulic actuating cylinder fuel feeding, meanwhile, the opening degree of each hydraulic actuating cylinder inlet valve can regulate, and is convenient to adjust single cylinder jacking height; The specified maximum load of oil cylinder is determined according to the quantity of synchronization of jacking up oil cylinder 2 and burnt tank 3 weight.The piston utilizing hydraulic efficiency pressure system to promote multiple synchronization of jacking up oil cylinder 2 moves simultaneously, and by the jacking of burnt tank 3 to the certain height meeting space for maintenance demand, hydraulic efficiency pressure system is compared with large-scale crane, and cost is lower, and degree of automation is higher, and work efficiency is higher.Synchronization of jacking up oil cylinder 2 is evenly arranged, and guarantees the uniform force of each synchronization of jacking up oil cylinder 2, avoids certain synchronization of jacking up oil cylinder 2 overload operation and fractures, and ensures safety.During maintenance, operating personnel enters burnt tank 3 inside by end gate 4 and overhauls end gate 4, even if occur unexpected, as synchronous jacking cylinder 2 sudden failure or skidding, burnt tank 3 tilts or falls after rise to carrier loader 1, and operating personnel only understands tumble injury, and does not have life danger, overhaul compared with below burnt tank 3, greatly reduce security risk.
In order to ensure safety further, preventing burnt tank 3 from toppling over, after step B completes, between the tank body and carrier loader 1 of burnt tank 3, adding the pillar stiffener being used for auxiliary fixed pedestal; In step D, first control jacking cylinder and to rise a segment distance, take off pillar stiffener, then the push rod controlling jacking cylinder declines.
Pillar stiffener can be the rigidity bars such as iron staff, in order to expendable weight, conveniently lays and dismounting, and described pillar stiffener is the many steel pipes evenly arranged.
In order to ensure the uniform force of each synchronization of jacking up oil cylinder 2, prevent burnt tank 3 from tilting, in step B, at burnt tank 3 by the process of jacking, measure the jacking amount of each synchronization of jacking up oil cylinder 2, guarantee that the top lifting height of synchronization of jacking up is consistent.
Synchronization of jacking up oil cylinder 2 adopts the hydraulic ram carrying mechanical locking function.Carry the hydraulic ram of mechanical locking function, by the jacking of burnt tank 3 to setting height time, the piston of self and push rod can lock, even without the support of hydraulic oil, also can not glide, prevent in maintenance process, when hydraulic efficiency pressure system breaks down, the push rod of synchronization of jacking up oil cylinder 2 declines rapidly, causes burnt tank 3 tilt suddenly or fall, makes staff injured.
As shown in Figure 3, the push rod head of described synchronization of jacking up oil cylinder 2 is hemisphere, and push rod is provided with spherical groove, described hemispheroidal sphere and push rod spherical groove bearing fit.When there is level angle deviation in push rod bearing surface and burnt tank 3 keel beam, slide in certain angular range after hemisphere pressurized, make burnt tank 3 automatic recovery, realize automatic aligning, and oil cylinder oil seal will be caused to be extruded leakage of oil because of the plastic deformation of point cantact or distortion and plunger.
Described setting height is 500-700mm.The operational space of a setting height demand fulfillment maintenance, makes staff expand and enters tank interior from end gate 4, and too high, reduce work efficiency, improve hydraulic efficiency pressure system energy consumption, according to in-place test, setting height is preferably 550mm.
Carrying out smoothly in order to ensure service work, before step B, check, confirm synchronization of jacking up oil cylinder 2 and jacking oil pump, pipeline connect whether accurate, the rotating confirming oil pump, motor whether with set consistent.
Synchronization of jacking up oil cylinder 2 can be 3,4,6,8 etc., specifically selects according to its bearing capacity and working condition.In order to reduce work capacity, improve the efficiency of the practice of steps A, described synchronization of jacking up oil cylinder 2 is 4.

Claims (9)

1. the burnt tank deck of carrier loader rises and end gate repair method, it is characterized in that, comprises the following steps:
A, to be communicated with hydraulic efficiency pressure system by multiple synchronization of jacking up oil cylinder, and to be placed between carrier loader and burnt pot bottom crossbeam, the quantity of described synchronization of jacking up oil cylinder is no less than three, and is evenly distributed on around gate at the bottom of burnt tank;
B, start all synchronization of jacking up oil cylinders simultaneously, burnt tank deck is risen to setting height and makes burnt tank rest on setting height;
It is inner that C, operating personnel enter burnt tank, carries out upkeep operation to end gate;
D, overhauled after, operating personnel withdraws out from burnt tank, hydraulic control system, and the push rod of jacking cylinder is declined, and burnt tank, along with decline, closes up until end gate fanned by burnt tank two, and guarantees burnt tank and carrier loader swivel mount accurate contraposition.
2. the burnt tank deck of carrier loader as claimed in claim 1 rises and end gate repair method, it is characterized in that: after step B completes, adds the pillar stiffener being used for auxiliary fixed pedestal between burnt tank and carrier loader; In step D, first control jacking cylinder and to rise a segment distance, take off pillar stiffener, then the push rod controlling jacking cylinder declines.
3. the burnt tank deck of carrier loader as claimed in claim 2 rises and end gate repair method, it is characterized in that: described pillar stiffener is the many steel pipes evenly arranged.
4. the burnt tank deck of carrier loader as claimed in claim 1 or 2 rises and end gate repair method, it is characterized in that: in step B, at burnt tank by the process of jacking, measures the jacking amount of each synchronization of jacking up oil cylinder, guarantee that the top lifting height of synchronization of jacking up is consistent.
5. the burnt tank deck of the carrier loader as described in claim 1,2,3 or 4 rises and end gate repair method, it is characterized in that: synchronization of jacking up oil cylinder adopts the hydraulic ram carrying mechanical locking function.
6. the burnt tank deck of carrier loader as claimed in claim 1 or 2 rises and end gate repair method, it is characterized in that: the push rod head of described synchronization of jacking up oil cylinder is hemisphere, and push rod is provided with spherical groove, described hemispheroidal sphere and push rod spherical groove bearing fit.
7. the burnt tank deck of carrier loader as claimed in claim 1 rises and end gate repair method, it is characterized in that: described setting height is 500-700mm.
8. the burnt tank deck of carrier loader as claimed in claim 1 rises and end gate repair method, it is characterized in that: before step B, check, confirm synchronization of jacking up oil cylinder and jacking oil pump, pipeline connect whether accurate, the rotating confirming oil pump, motor whether with set consistent.
9. the burnt tank deck of carrier loader as claimed in claim 1 rises and end gate repair method, it is characterized in that: described synchronization of jacking up oil cylinder is 4.
CN201510128326.7A 2015-03-23 2015-03-23 Coke tank jacking and bottom valve overhauling method for carrier loader Pending CN104724629A (en)

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CN201510128326.7A CN104724629A (en) 2015-03-23 2015-03-23 Coke tank jacking and bottom valve overhauling method for carrier loader

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Application Number Priority Date Filing Date Title
CN201510128326.7A CN104724629A (en) 2015-03-23 2015-03-23 Coke tank jacking and bottom valve overhauling method for carrier loader

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973533A (en) * 2015-07-29 2015-10-14 厦门理工学院 Three-dimensional jack
CN108659870A (en) * 2017-03-29 2018-10-16 鞍钢股份有限公司 Special trolley for maintaining rotary coke tank
CN108977207A (en) * 2017-06-01 2018-12-11 科利特环能科技(大连)有限公司 A kind of quenching oven coke tank and dress coke installation
CN109305637A (en) * 2018-11-13 2019-02-05 天津职业技术师范大学 A kind of mechanical heavily loaded position-limit mechanism
CN111500298A (en) * 2020-04-30 2020-08-07 攀钢集团西昌钢钒有限公司 Coke tank inclination unhooking detection system of dry quenching hoister
CN112429674A (en) * 2020-12-03 2021-03-02 湖北三江航天万山特种车辆有限公司 Mixed pot transport vehicle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020049170A (en) * 2000-12-19 2002-06-26 이구택 Apparatus for fixing cokes car in cokes dry quenching facilities
CN2535276Y (en) * 2002-06-19 2003-02-12 马鞍山钢铁股份有限公司煤焦化公司 Rotary coke car for dry quenching coke
CN101210644A (en) * 2006-12-27 2008-07-02 平和精机工业株式会社 Tripod assembly
CN201180126Y (en) * 2008-03-11 2009-01-14 花会保 Full-automatic moulded coal feeder
CN201857367U (en) * 2010-10-26 2011-06-08 山西省化工设计院 Coke receiving/quenching car for cleaning type thermal recovery tamping coke furnace
CN202880725U (en) * 2012-10-17 2013-04-17 北京市三一重机有限公司 Rotating table leveling device and project machine
CN204198656U (en) * 2014-10-11 2015-03-11 郝加波 A kind of rotary coke tank apparatus for examination and repair

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020049170A (en) * 2000-12-19 2002-06-26 이구택 Apparatus for fixing cokes car in cokes dry quenching facilities
CN2535276Y (en) * 2002-06-19 2003-02-12 马鞍山钢铁股份有限公司煤焦化公司 Rotary coke car for dry quenching coke
CN101210644A (en) * 2006-12-27 2008-07-02 平和精机工业株式会社 Tripod assembly
CN201180126Y (en) * 2008-03-11 2009-01-14 花会保 Full-automatic moulded coal feeder
CN201857367U (en) * 2010-10-26 2011-06-08 山西省化工设计院 Coke receiving/quenching car for cleaning type thermal recovery tamping coke furnace
CN202880725U (en) * 2012-10-17 2013-04-17 北京市三一重机有限公司 Rotating table leveling device and project machine
CN204198656U (en) * 2014-10-11 2015-03-11 郝加波 A kind of rotary coke tank apparatus for examination and repair

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973533A (en) * 2015-07-29 2015-10-14 厦门理工学院 Three-dimensional jack
CN108659870A (en) * 2017-03-29 2018-10-16 鞍钢股份有限公司 Special trolley for maintaining rotary coke tank
CN108659870B (en) * 2017-03-29 2021-01-08 鞍钢股份有限公司 Special trolley for maintaining rotary coke tank
CN108977207A (en) * 2017-06-01 2018-12-11 科利特环能科技(大连)有限公司 A kind of quenching oven coke tank and dress coke installation
CN109305637A (en) * 2018-11-13 2019-02-05 天津职业技术师范大学 A kind of mechanical heavily loaded position-limit mechanism
CN111500298A (en) * 2020-04-30 2020-08-07 攀钢集团西昌钢钒有限公司 Coke tank inclination unhooking detection system of dry quenching hoister
CN112429674A (en) * 2020-12-03 2021-03-02 湖北三江航天万山特种车辆有限公司 Mixed pot transport vehicle

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